1 Candidates may only take a beta exam once. 2  Candidates who fail an exam must wait a period of five (5) calendar days, beginning the day after the failed attempt, before they may retest for the same exam.  Once passed, a candidate must wait a minimum of 180 days before taking the same exam with an identical exam number.
Some people swear that Cotton Eye Joe is also a euphemism for an STD, at least according to Urban Dictionary. Lines like if it hadn't be for cotton eye Joe, I'd been married a long time ago, certainly take on a whole new meaning is you believe that interpretation.
Cotton Swab. Background. A cotton swab is a short spindle with one or both ends coated with an absorbent cotton padding. Such swabs have long been used for various cosmetic and personal hygiene tasks, particularly for cleaning the ear. The cotton swab was invented in the 1920s by a Polish-born American named Leo Gerstenzang.